https://bugs.winehq.org/show_bug.cgi?id=25684
--- Comment #5 from Béla Gyebrószki gyebro69@gmail.com --- (In reply to Alexandre Julliard from comment #4)
Created attachment 51572 [details] Release the Win16 lock when loading a 32-bit dll.
You could try something like this.
The patch fixes the issue here as well.